acpi_os_set_prepare_sleep  420 arch/x86/kernel/tboot.c 	acpi_os_set_prepare_sleep(&tboot_sleep);
acpi_os_set_prepare_sleep  896 include/linux/acpi.h void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
acpi_os_set_prepare_sleep   97 include/xen/acpi.h 		acpi_os_set_prepare_sleep(